cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888035d8eb00 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#1: ktimers/1/29 Modules linked in: CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:379 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 17 63 7b fb 49 83 3e 00 74 40 e8 9c 4f 15 fb 48 8d 3d 35 51 c7 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 81 4f 15 fb eb 05 e8 7a 4f RSP: 0018:ffffc90000a3f700 EFLAGS: 00010287 RAX: ffffffff86af0084 RBX: ffff888035d8eb00 RCX: 0000000000040000 RDX: ffffc90002eb5000 RSI: ffff888035d8eb00 RDI: ffffffff8f7651c0 RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1ed46b7 R12: 0000000000000820 R13: ffff8880358bbbc4 R14: ffff888035d8eb08 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888126440000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffef8886d38 CR3: 000000002a4b2000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x6db/0xca0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x3b3/0x5e0 drivers/usb/core/hcd.c:1657 dummy_timer+0x8a6/0x4710 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x55f/0xda0 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x192/0x5d0 kernel/time/hrtimer.c:1866 handle_softirqs+0x1de/0x6f0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] run_ktimerd+0x69/0x100 kernel/softirq.c:1138 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 17 63 7b fb call 0xfb7b632c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 9c 4f 15 fb call 0xfb154fbc 20: 48 8d 3d 35 51 c7 08 lea 0x8c75135(%rip),%rdi # 0x8c7515c 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 81 4f 15 fb call 0xfb154fbc 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 7a 4f jp 0x8f